Alrens(TM) 27Pcs Sparkly Sun Pattern Acrylic Crystal Decals DIY 3D Modern Design Mirror Surface Wall Sticker Living Room Children Room Mural Decor Home Decoration Art Material: Acrylic. Not Plastic . Acrylic's cost is 3 times higher than plastic. Finished Size: 45x45cm (DIY Free Size). There is a protect film on the surface. Please tear it off after pasting mirror sticker on the wall. It looks very shiny! Easy to stick.Easily removable without damaging your wall.No harm to the environment and health. Perfect home docor and good gift !